Vehicle Questions and Answers
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A common issue with the 2008 Dodge Avenger is a rough idle, often due to a failing idle air control valve. Fortunately, Dodge has made it easy to find this part, which is situated on the throttle body assembly at the front of the engine compartment near the air intake system. If you can spot your air filter housing, you're on the right track. The idle air control valve is a small gold component that can be easily removed and is relatively affordable, costing between $20 and $60 for a replacement. You should be able to replace it in about an hour.
The idle air control valve for the 2008 Dodge Avenger is located on the throttle body.